diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index bbd276bd97f..90cafd7272d 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -1731,13 +1731,13 @@ static BOOL htmldoc_qi(HTMLDocument *This, REFIID riid, void **ppv)
         *ppv = &This->IHTMLDocument6_iface;
     }else if(IsEqualGUID(&IID_IPersist, riid)) {
         TRACE("(%p)->(IID_IPersist, %p)\n", This, ppv);
-        *ppv = PERSIST(This);
+        *ppv = &This->IPersistFile_iface;
     }else if(IsEqualGUID(&IID_IPersistMoniker, riid)) {
         TRACE("(%p)->(IID_IPersistMoniker, %p)\n", This, ppv);
-        *ppv = PERSISTMON(This);
+        *ppv = &This->IPersistMoniker_iface;
     }else if(IsEqualGUID(&IID_IPersistFile, riid)) {
         TRACE("(%p)->(IID_IPersistFile, %p)\n", This, ppv);
-        *ppv = PERSISTFILE(This);
+        *ppv = &This->IPersistFile_iface;
     }else if(IsEqualGUID(&IID_IMonikerProp, riid)) {
         TRACE("(%p)->(IID_IMonikerProp, %p)\n", This, ppv);
         *ppv = MONPROP(This);
@@ -1788,7 +1788,7 @@ static BOOL htmldoc_qi(HTMLDocument *This, REFIID riid, void **ppv)
         *ppv = CONPTCONT(&This->cp_container);
     }else if(IsEqualGUID(&IID_IPersistStreamInit, riid)) {
         TRACE("(%p)->(IID_IPersistStreamInit %p)\n", This, ppv);
-        *ppv = PERSTRINIT(This);
+        *ppv = &This->IPersistStreamInit_iface;
     }else if(IsEqualGUID(&DIID_DispHTMLDocument, riid)) {
         TRACE("(%p)->(DIID_DispHTMLDocument %p)\n", This, ppv);
         *ppv = &This->IHTMLDocument2_iface;
@@ -1797,7 +1797,7 @@ static BOOL htmldoc_qi(HTMLDocument *This, REFIID riid, void **ppv)
         *ppv = SUPPERRINFO(This);
     }else if(IsEqualGUID(&IID_IPersistHistory, riid)) {
         TRACE("(%p)->(IID_IPersistHistory %p)\n", This, ppv);
-        *ppv = PERSISTHIST(This);
+        *ppv = &This->IPersistHistory_iface;
     }else if(IsEqualGUID(&CLSID_CMarkup, riid)) {
         FIXME("(%p)->(CLSID_CMarkup %p)\n", This, ppv);
         *ppv = NULL;
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index e83ba7b3b09..9059dedf4aa 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -347,9 +347,9 @@ struct HTMLDocument {
     IHTMLDocument4              IHTMLDocument4_iface;
     IHTMLDocument5              IHTMLDocument5_iface;
     IHTMLDocument6              IHTMLDocument6_iface;
-    const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
-    const IPersistFileVtbl                *lpPersistFileVtbl;
-    const IPersistHistoryVtbl             *lpPersistHistoryVtbl;
+    IPersistMoniker             IPersistMoniker_iface;
+    IPersistFile                IPersistFile_iface;
+    IPersistHistory             IPersistHistory_iface;
     const IMonikerPropVtbl                *lpMonikerPropVtbl;
     const IOleObjectVtbl                  *lpOleObjectVtbl;
     const IOleDocumentVtbl                *lpOleDocumentVtbl;
@@ -361,7 +361,7 @@ struct HTMLDocument {
     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
     const IOleControlVtbl                 *lpOleControlVtbl;
     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
-    const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
+    IPersistStreamInit          IPersistStreamInit_iface;
     const IDispatchExVtbl                 *lpIDispatchExVtbl;
     const ISupportErrorInfoVtbl           *lpSupportErrorInfoVtbl;
     const IObjectWithSiteVtbl             *lpObjectWithSiteVtbl;
@@ -626,9 +626,6 @@ struct HTMLDocumentNode {
 #define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)
 #define HTMLWINDOW4(x)   ((IHTMLWindow4*)                 &(x)->lpHTMLWindow4Vtbl)
 
-#define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
-#define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
-#define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
@@ -645,8 +642,6 @@ struct HTMLDocumentNode {
 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
-#define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
-#define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
 #define OBJSITE(x)       ((IObjectWithSite*)              &(x)->lpObjectWithSiteVtbl)
 
diff --git a/dlls/mshtml/olecmd.c b/dlls/mshtml/olecmd.c
index 3fbe309c35d..8142d728d01 100644
--- a/dlls/mshtml/olecmd.c
+++ b/dlls/mshtml/olecmd.c
@@ -604,7 +604,7 @@ static HRESULT exec_editmode(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in,
         }
     }
 
-    hres = IPersistMoniker_Load(PERSISTMON(This), TRUE, mon, NULL, 0);
+    hres = IPersistMoniker_Load(&This->IPersistMoniker_iface, TRUE, mon, NULL, 0);
     IMoniker_Release(mon);
     if(FAILED(hres))
         return hres;
diff --git a/dlls/mshtml/persist.c b/dlls/mshtml/persist.c
index 59e8bfc8f8d..46d00a3a449 100644
--- a/dlls/mshtml/persist.c
+++ b/dlls/mshtml/persist.c
@@ -339,45 +339,48 @@ static HRESULT get_doc_string(HTMLDocumentNode *This, char **str)
  * IPersistMoniker implementation
  */
 
-#define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
+static inline HTMLDocument *impl_from_IPersistMoniker(IPersistMoniker *iface)
+{
+    return CONTAINING_RECORD(iface, HTMLDocument, IPersistMoniker_iface);
+}
 
 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid, void **ppv)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     return htmldoc_query_interface(This, riid, ppv);
 }
 
 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     return htmldoc_addref(This);
 }
 
 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     return htmldoc_release(This);
 }
 
 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
-    return IPersist_GetClassID(PERSIST(This), pClassID);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
+    return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
 }
 
 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
 
     TRACE("(%p)\n", This);
 
-    return IPersistStreamInit_IsDirty(PERSTRINIT(This));
+    return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
 }
 
 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     HRESULT hres;
 
     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
@@ -421,21 +424,21 @@ static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAva
 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
         LPBC pbc, BOOL fRemember)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
 {
-    HTMLDocument *This = PERSISTMON_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistMoniker(iface);
 
     TRACE("(%p)->(%p)\n", This, ppimkName);
 
@@ -517,29 +520,32 @@ static const IMonikerPropVtbl MonikerPropVtbl = {
  * IPersistFile implementation
  */
 
-#define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
+static inline HTMLDocument *impl_from_IPersistFile(IPersistFile *iface)
+{
+    return CONTAINING_RECORD(iface, HTMLDocument, IPersistFile_iface);
+}
 
 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppv)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     return htmldoc_query_interface(This, riid, ppv);
 }
 
 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     return htmldoc_addref(This);
 }
 
 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     return htmldoc_release(This);
 }
 
 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
 
     TRACE("(%p)->(%p)\n", This, pClassID);
 
@@ -552,23 +558,23 @@ static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassI
 
 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
 
     TRACE("(%p)\n", This);
 
-    return IPersistStreamInit_IsDirty(PERSTRINIT(This));
+    return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
 }
 
 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     char *str;
     DWORD written=0;
     HANDLE file;
@@ -593,14 +599,14 @@ static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileNam
 
 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
 {
-    HTMLDocument *This = PERSISTFILE_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistFile(iface);
     FIXME("(%p)->(%p)\n", This, pszFileName);
     return E_NOTIMPL;
 }
@@ -617,36 +623,39 @@ static const IPersistFileVtbl PersistFileVtbl = {
     PersistFile_GetCurFile
 };
 
-#define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
+static inline HTMLDocument *impl_from_IPersistStreamInit(IPersistStreamInit *iface)
+{
+    return CONTAINING_RECORD(iface, HTMLDocument, IPersistStreamInit_iface);
+}
 
 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
                                                        REFIID riid, void **ppv)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     return htmldoc_query_interface(This, riid, ppv);
 }
 
 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     return htmldoc_addref(This);
 }
 
 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     return htmldoc_release(This);
 }
 
 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
-    return IPersist_GetClassID(PERSIST(This), pClassID);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
+    return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
 }
 
 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
 
     TRACE("(%p)\n", This);
 
@@ -658,7 +667,7 @@ static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 
 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     IMoniker *mon;
     HRESULT hres;
 
@@ -683,7 +692,7 @@ static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM
 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
                                              BOOL fClearDirty)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     char *str;
     DWORD written=0;
     HRESULT hres;
@@ -709,14 +718,14 @@ static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM
 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
                                                    ULARGE_INTEGER *pcbSize)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     FIXME("(%p)->(%p)\n", This, pcbSize);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
 {
-    HTMLDocument *This = PERSTRINIT_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistStreamInit(iface);
     IMoniker *mon;
     HRESULT hres;
 
@@ -738,8 +747,6 @@ static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
     return channelbsc_load_stream(This->window->bscallback, NULL);
 }
 
-#undef PERSTRINIT_THIS
-
 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
     PersistStreamInit_QueryInterface,
     PersistStreamInit_AddRef,
@@ -756,62 +763,63 @@ static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
  * IPersistHistory implementation
  */
 
-#define PERSISTHIST_THIS(iface) DEFINE_THIS(HTMLDocument, PersistHistory, iface)
+static inline HTMLDocument *impl_from_IPersistHistory(IPersistHistory *iface)
+{
+    return CONTAINING_RECORD(iface, HTMLDocument, IPersistHistory_iface);
+}
 
 static HRESULT WINAPI PersistHistory_QueryInterface(IPersistHistory *iface, REFIID riid, void **ppv)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     return htmldoc_query_interface(This, riid, ppv);
 }
 
 static ULONG WINAPI PersistHistory_AddRef(IPersistHistory *iface)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     return htmldoc_addref(This);
 }
 
 static ULONG WINAPI PersistHistory_Release(IPersistHistory *iface)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     return htmldoc_release(This);
 }
 
 static HRESULT WINAPI PersistHistory_GetClassID(IPersistHistory *iface, CLSID *pClassID)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
-    return IPersist_GetClassID(PERSIST(This), pClassID);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
+    return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
 }
 
 static HRESULT WINAPI PersistHistory_LoadHistory(IPersistHistory *iface, IStream *pStream, IBindCtx *pbc)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     FIXME("(%p)->(%p %p)\n", This, pStream, pbc);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistHistory_SaveHistory(IPersistHistory *iface, IStream *pStream)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     FIXME("(%p)->(%p)\n", This, pStream);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistHistory_SetPositionCookie(IPersistHistory *iface, DWORD dwPositioncookie)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     FIXME("(%p)->(%x)\n", This, dwPositioncookie);
     return E_NOTIMPL;
 }
 
 static HRESULT WINAPI PersistHistory_GetPositionCookie(IPersistHistory *iface, DWORD *pdwPositioncookie)
 {
-    HTMLDocument *This = PERSISTHIST_THIS(iface);
+    HTMLDocument *This = impl_from_IPersistHistory(iface);
     FIXME("(%p)->(%p)\n", This, pdwPositioncookie);
     return E_NOTIMPL;
 }
 
-#undef PERSISTHIST_THIS
-
 static const IPersistHistoryVtbl PersistHistoryVtbl = {
     PersistHistory_QueryInterface,
     PersistHistory_AddRef,
@@ -825,9 +833,9 @@ static const IPersistHistoryVtbl PersistHistoryVtbl = {
 
 void HTMLDocument_Persist_Init(HTMLDocument *This)
 {
-    This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
-    This->lpPersistFileVtbl = &PersistFileVtbl;
+    This->IPersistMoniker_iface.lpVtbl = &PersistMonikerVtbl;
+    This->IPersistFile_iface.lpVtbl = &PersistFileVtbl;
     This->lpMonikerPropVtbl = &MonikerPropVtbl;
-    This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
-    This->lpPersistHistoryVtbl = &PersistHistoryVtbl;
+    This->IPersistStreamInit_iface.lpVtbl = &PersistStreamInitVtbl;
+    This->IPersistHistory_iface.lpVtbl = &PersistHistoryVtbl;
 }